Temps soar in Brazil's summer (from December to March). Low-income favelas would benefit from green roofs but there are two problems: Cost. And a... Cooling green roofs seemed like an impossible dream ...

Discover cold hardy plants for a green roof. Here, garden experts share their top 5 picks of low-effort, cold hardy plants to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Green roofs turn an outdoor space into a sustainable environmental solution that’s practical and ...

A native prickly pear cactus (Opuntia humifusa) on the left, thrives next to non-native horticultural varieties of succulent stonecrop species (Sedum or Phedimus). Credit: Bala Chaudhary. Green roofs ...

Green roofs can diffuse heat that would otherwise be absorbed through your roof in warmer months and act as an added layer of insulation when it’s chilly outside. Often considered to be one of the ...

Every other Friday, the Outside/In team answers a listener question about the natural world. This week’s question comes from Collin in Brandon, Manitoba, in Canada. A green roof is a roof that’s ...

It’s migratory bird season, and ecologists are cataloging the large number of birds that stop and refuel in New York during journeys that can reach up to 1,000 miles. On a recent Thursday afternoon at ...

It was a sunny September morning in Rio de Janeiro's Parque Arará favela and volunteers were preparing plants to be placed on Reginaldo Gomes da Silva's roof. Students from both the neighborhood ...